What is -1 expressed as a phase factor?
A) $e^{i \pi / 2}$
B) $e^{-i \pi / 2}$
C) $e^{i \pi}$
D) $e^{i 2 \pi}$
E) Something else (specify)

Name: What is -1 expressed as a phase factor? A) $e^{i \pi / 2}$ B) $e^{-i \pi / 2}$ C) $e^{i \pi}$ D) $e^{i 2 \pi}$ E) Something else (specify)
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Question

Quizplus · Accepted Answer

-1 expressed as a phase factor is $e^{i \pi}$, according to Euler's formula $e^{i\theta} = \cos(\theta) + i\sin(\theta)$, where $\theta = \pi$ radians.

What Is -1 Expressed as a Phase Factor? A) eiπ/2e^{i \pi / 2}eiπ/2

What Is -1 Expressed as a Phase Factor?
A) $e^{i \pi / 2}$